Mechanically and manually operated valves come in a variety of models, including stem or roller operated, hand lever with detent or spring return, panel-mounted 3/2 and 5/2-way, and foot operated with ...

A rodless cylinder from Airtec Pneumatics, Addison, Ill. (www.airtec.se), uses a patented cylinder tube with two chambers to minimize leakage and improve flexural and torsional stiffness. Inside, a ...